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TLS Online TPP Program

#Question id: 11145

Two fundamental concepts about the ion channels of a "resting" neuron are that the channels ________.

#Part-B Specialized Branches in Biotechnology
  1. are always open, but the concentration gradients of ions frequently change
  2. are always closed, but ions move closer to the channels during excitation
  3. are open or closed depending on their type, and are specific as to which ion can traverse them
  4. open in response to stimuli, and then close simultaneously, in unison
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TLS Online TPP Program

#Question id: 428

#Part-B Specialized Branches in Biotechnology

The most biochemically complex organisms are ________.
TLS Online TPP Program

#Question id: 10335

#Part-B Specialized Branches in Biotechnology

plants can store high levels of nitrate, and they can translocate it from tissue to tissue without deleterious effect. Yet if livestock or humans consume plant material that is high in nitrate, they may suffer with,
TLS Online TPP Program

#Question id: 2956

#Part-A Aptitude & General Biotechnology

The product of the cdc2 gene is
TLS Online TPP Program

#Question id: 2076

#Part-A Aptitude & General Biotechnology

An organism with a cell wall would most likely be unable to take in materials through:
TLS Online TPP Program

#Question id: 11456

#Part-A Aptitude & General Biotechnology

During an auditory transduction, ion flow varies across the ________.